package top.chenbn.guli.common.util;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public final class MD5 {

  public static String encrypt(String strSrc) {
    try {
      char hexChars[] = {
        '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
      };
      byte[] bytes = strSrc.getBytes();
      MessageDigest md = MessageDigest.getInstance("MD5");
      md.update(bytes);
      bytes = md.digest();
      int j = bytes.length;
      char[] chars = new char[j * 2];
      int k = 0;
      for (int i = 0; i < bytes.length; i++) {
        byte b = bytes[i];
        chars[k++] = hexChars[b >>> 4 & 0xf];
        chars[k++] = hexChars[b & 0xf];
      }
      return new String(chars);
    } catch (NoSuchAlgorithmException e) {
      e.printStackTrace();
      throw new RuntimeException("MD5加密出错！！+" + e);
    }
  }

  public static void main(String[] args) {
    System.out.println(MD5.encrypt("111111"));
  }
}
